Home / 11,675.14-16,111.68-6,370.00

Finding the Fourth Proportional to 11,675.14, 16,111.68 and 6,370.00

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Solution

The fourth proportional to 11,675.14, 16,111.68 and 6,370.00 is: 8,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.14 : 16,111.68 = 6,370.00 : x
  2. Step 2: Convert to fraction form
    11,675.14/16,111.68 = 6,370.00/x
  3. Step 3: Cross multiply
    11,675.14x = 16,111.68 × 6,370.00
  4. Step 4: Simplify right side
    11,675.14x = 102,631,321.04
  5. Step 5: Solve for x
    x = 102,631,321.04/11,675.14
  6. Step 6: Final answer
    x = 8,790.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.